Inside Alphabet X’s new effort to combat climate change with seagrass A previously unrevealed program would use cameras, computer vision, and machine learning to track the carbon stored in the biomass of the oceans.As she flutter-kicked over the green seabed, Bahman steered an underwater camera suspended on a pair of small pontoons.Now, MIT Technology Review can report, Tidal hopes its system can help preserve and restore the world’s seagrass beds, accelerating efforts to harness the oceans to suck up and store away far more carbon dioxide.Without that knowledge and affordable ways to verify that restoration efforts actually store away more carbon, it will be tricky to track climate progress and build credible carbon credit marketplaces that would pay for such practices.Indeed, nature-based carbon credits have faced growing criticism: studies and reporting find that such efforts can overestimate climate benefits, create environmental risks, or present environmental justice concerns."